Four students are asked to list characteristics of RNA in a table as part of an assignment. Which student listed the characteristics correctly?

Answers

Answer 1
Answer: The answer is student 1.
Student 1 said that RNA is not deoxyribose but ribose. Student 1 also noted that RNA do not contain thymine but contains Uracil.. It is very obvious that student 1 correctly noted the characteristics of an RNA.

NOTE: In RNA, the pentose sugar is ribose and not deoxyribose. RNA contains uracil in place of thymine.

See attached file for the table.

Answer 2
Answer:

The answer is; student 1

The reason RNA is a ribose sugar is because it’s pentose rings have an H, rather than an OH in DNA, in their 2’ carbon.  DNA has deoxyribose sugar in comparison. In addition, rather than having Thymine base (bases attach to the 1’ carbon in the rings), like in DNA, this base is replaced by Uracil (so Uracil binds complementarily to Adenine in RNA).



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Which of the following is true of all greenhouse gases?A. They are naturally occurring.
B. They exist in fixed quantities.
C. They trap energy in the atmosphere.
D. They reflect incoming solar radiation.

Answers

Which of the following is true of all greenhouse gases?

C. THEY TRAP ENERGY IN THE ATMOSPHERE.

They are not naturally occurring. They are the result of human activity like using electricity, burning fuel, etc. 

They don't exist in fixed quantities and they don't reflect incoming radiation. The volume of greenhouse gases emitted depends on the activity done. It also does not stay in one place, it moves around and combines with other green house gases; trapping heat in the atmosphere and making the Earth warmer.

C. They trap energy in the atmosphere.

Further explanation

greenhouse is a building that is formed from a glass structure. greenhouse is widely used by farmers whose countries have various climates. The temperature in the greenhouse will feel warm even though it was during winter. the way greenhouses work by capturing sunlight and sunlight is trapped inside the building so that the air remains warm.

The greenhouse effect is another term to describe the earth as having that effect where the sun's heat is trapped by the earth's atmosphere. gases in the atmosphere can hold heat from the sun's rays so that the sun's heat is trapped in the earth's atmosphere.

In general, the understanding of the greenhouse effect is the increase in earth's temperature caused by changes in composition, which is found in the atmosphere. That causes the sun's rays to remain on earth, and unfortunately not reflected perfectly to get out of the atmosphere.

the beginning of the greenhouse effect due to sunlight that has been reflected by various objects that exist in the layers of the earth. the process of this greenhouse effect begins when the sun emits its light in the form of ultraviolet radiation to the earth. These rays will be received by the earth and then reflected back in the form of infrared.

Learn  More

greenhouse effect : brainly.com/question/2992364

Details

Class : high school

Subject : biology

Keywords : greenhouse effect, structure, temperature, atmosphere

Which environmental change would cause the greatest reduction in biodiversity of a large ecosystem?

Answers

the answer would be Wide spread use of pesticides

Usually, it is observed that climates in coastal regions are moderate as compared to climates in the interiors of continents. Why is this so?

Answers

The water bodies affects the climate of the particular place because it influences the air pressure near the water bodies.

The heated air takes much energy to heat the water bodies so the environment there is moderate.

In case when the air is cooler than water then heat goes from water to air and it does not takes much energy to raise the temperature of the air.

In this way the climate is moderate at the coastal regions.

Th is more of a Geography question but its because the Ocean levels out the temperatures in the area around it. That is all I really remember, our teacher didn't explain too much on the subject.

The following question refers to “The Pit and the Pendulum” by Edgar Allan Poe.How does the narrator react to the “dread sentence of death” handed down to him?

He blacks out.
He tries to escape.
He yells at the judge.

Answers

The narrator reacted to the dreaded sentence of death handed down to him BY BLACKING OUT.

The Pit and the Pendulum is a short story written by Edgar Allan Poe. The story is about a prisoner, who endured much torment. The story opens with the trial of the narrator of the story. The narrator was been tried by a panel of judges. At the end of the trial, the narrator was sentence to death and this makes him to black out.

He blacks out and this is the way the narrator reacts to the "dread sentence of death" handed down to him. The correct option among all the options that are given in the question is the first option. He blacked out hearing the sentence because he was already drugged. I hope the answer helps you.

Which biome occurs in the united states and once contained huge herds of grazing herbivores

Answers

Answer:

Temperate grassland biome  

Explanation:

The temperate grasslands are referred to the biome which is comprised of vast grasslands, being the most dominant type of vegetation in the United States. There is less amount of plants and trees in this biome, and they have cold winters and hot summers. There occurs comparatively less amount of rainfall in this region that controls the height of this grasslands. The soil here is rich in nutrients that favors the growth of these vast grasslands.

This grasslands are divided into two types, namely-

(1) The Prairies- These are the grasslands that are comprised of tall grasses.

(2) The Steppe- These are the grasslands that are comprised of short grasses.

I have 2 answers: 
answer 1: Its grassland because the grasslands have lots of grass and plants right?? So then herbivores would go there and start devouring grass and plants and stuff like that.

answer 2: It can also be the rain forest because the rain forest has lots of fruit such as bananas and mangoes. Monkeys eat hem and other animals do to like us...except we don't live in the rain forest.

What is the advantage of binary fission for prokaryotes?

Answers

Answer:

Binary fission is a method of asexual reproduction in prokaryotes such as bacteria. The advantages of binary fission is that this process requires only one individual. Secondly, it is a fast process of division as some in some of the bacteria divides in every 20 minutes. Binary fission produces offspring without genetic variation.  

Binary fission is for reproduction of a cell by division into two equals parts